{ "id": "2210.01731", "version": "v1", "published": "2022-10-04T16:44:57.000Z", "updated": "2022-10-04T16:44:57.000Z", "title": "Semi-ampleness of generalized pairs", "authors": [ "Jihao Liu", "Lingyao Xie" ], "comment": "25 pages", "categories": [ "math.AG" ], "abstract": "We establish a Koll\\'ar-type gluing theory for generalized log canonical pairs associated with crepant log structures and use it to prove semi-ampleness results of generalized pairs. As consequences, we prove the existence of flips for any generalized log canonical pair, and show that generalized log canonical singularities are Du Bois.", "revisions": [ { "version": "v1", "updated": "2022-10-04T16:44:57.000Z" } ], "analyses": { "subjects": [ "14E30", "14C20", "14E05" ], "keywords": [ "generalized pairs", "generalized log canonical pair", "crepant log structures", "semi-ampleness results", "kollar-type gluing theory" ], "note": { "typesetting": "TeX", "pages": 25, "language": "en", "license": "arXiv", "status": "editable" } } }